Home / 1,148,405.90-1,721,450.88-722,246.27

Finding the Fourth Proportional to 1,148,405.90, 1,721,450.88 and 722,246.27

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Solution

The fourth proportional to 1,148,405.90, 1,721,450.88 and 722,246.27 is: 1,082,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,405.90 : 1,721,450.88 = 722,246.27 : x
  2. Step 2: Convert to fraction form
    1,148,405.90/1,721,450.88 = 722,246.27/x
  3. Step 3: Cross multiply
    1,148,405.90x = 1,721,450.88 × 722,246.27
  4. Step 4: Simplify right side
    1,148,405.90x = 1,243,311,468,460.96
  5. Step 5: Solve for x
    x = 1,243,311,468,460.96/1,148,405.90
  6. Step 6: Final answer
    x = 1,082,641.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.